davinci_emac: fix race in transmit time stamping.

Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
index f5688ff..55c8245 100644 (file)
--- a/drivers/net/davinci_emac.c
+++ b/drivers/net/davinci_emac.c
@@ -1083,6 +1083,8 @@ static int emac_dev_xmit(struct sk_buff *skb, struct net_device *ndev)
                goto fail_tx;
        }
 
+       skb_tx_timestamp(skb);
+
        ret_code = cpdma_chan_submit(priv->txchan, skb, skb->data, skb->len,
                                     GFP_KERNEL);
        if (unlikely(ret_code != 0)) {
@@ -1090,7 +1092,6 @@ static int emac_dev_xmit(struct sk_buff *skb, struct net_device *ndev)
                        dev_err(emac_dev, "DaVinci EMAC: desc submit failed");
                goto fail_tx;
        }
-       skb_tx_timestamp(skb);
 
        return NETDEV_TX_OK;